Replacing the main filter

The main filter cannot be cleaned; it must be completely replaced.

Cleaning the main filter with compressed air or a hammer is not permitted.

  1. Set the <I/0> switch to <0>.

  2. Pull out the mains plug.

  3. Unlock and open the service door using a square wrench.

  4. Remove the main filter from the housing.
  6. Dispose of the filter in accordance with local laws and directives.

  7. Insert the filter in the housing.
  9. Close the service door and lock it using a square wrench.